Phylogeny and higher classification of suborder Psocomorpha (Insecta: Psocodea: ‘ Psocoptera’) Author Yoshizawa, Kazunori text Zoological Journal of the Linnean Society 2002 2002-11-30 136 3 371 400 https://academic.oup.com/zoolinnean/article-lookup/doi/10.1046/j.1096-3642.2002.00036.x journal article 10.1046/j.1096-3642.2002.00036.x 0024-4082 5436775 ELIPSOCOIDEA , SUPERFAM. NOV. Small to medium in size, about 1–4 mm in length. Body generally brown to blackish brown. Bark or stone surface dwellers. Head with rounded vertex; postclypeus well bulged; epistomal suture with broad internal ridge; anteclypeus membranous or sclerotized narrowly. Wing polymorphism present, macropterous or apterous. Macropterous forewing venation of Caecilius- type ; veins and wing margin with one row of setae, CuP sometimes bare. Hindwing scarcely setose; marginal setae present between R 2 +3 and R 4 +5 only; Rs and M + Cu separate or fused for short distance basally; Rs and M fused. Tarsi 3-segmented; claws with preapical tooth; pulvillus narrow. Abdomen without eversible vesicles ventrally. Male genitalia: Hypandrium simply rounded posteriorly. Phallosome simple; aedeagus pointed apically; parameres extended distally far beyond aedeagus; endophallus without rod-like sclerite. Female genitalia: Subgenital plate with less developed pair of tubercles on distal margin, each bearing some apical setae. Gonapophyses complete; ventral valve simple; dorsal valve narrowed apically, with or without subapical process; external valve enlarged . Type genus: Elipsocus Hagen, 1866 . Included family: Elipsocidae .